High Air Pressure DTH drilling bits for Mining BlastingProduct Information-Name: Ballistic DTH Drill Bits Used for High Air Pressure DTH Hammers -Item Number: Drilling Machine Parts-Brand Name: KAIYU-Diameter: 85/90/95/100/105/110/115/120/127/130/135/140/146/152/165/171/190/203/216/254/305/330/343/356/368/381mm-Material: Carbide-Processing Type: Forging-Color: Golden, Red, Blue etc-Packaging: Wooden Case-Delivery: 15-230days-Certification: ISO9001-Place of Origin: Taizhou, Zhejiang,China (Mainland)-Use: Water well,quarry,open pit and underground construction-Advantage: High performance cost ra
High Air Pressure DTH Drilling Bits For Mining Blasting